$Id: README,v 1.2 2008/08/27 13:42:00 maire Exp $
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     =========================================================
     Geant4 - an Object-Oriented Toolkit for Simulation in HEP
     =========================================================

                            TestEm by theme
                            ---------------

  --------------------------------------------------------------------------
  |			Check basic quantities				   |	
  |------------------------------------------------------------------------|
  | Total cross-sections, mean free paths ...	| Em0 Em13 Em14		   |
  |------------------------------------------------------------------------|
  | Stopping power, particle range ...      	| Em0 Em1 Em5 Em11 Em12	   |
  |------------------------------------------------------------------------|
  | Final state :				|			   |
  |  energy spectra, angular distributions ...  | Em14			   |
  |------------------------------------------------------------------------|
  | Energy loss fluctuations      		| Em18			   |
  --------------------------------------------------------------------------
  
  
  -------------------------------------------------------------------------
  |			Multiple Coulomb scattering			  |
  |-----------------------------------------------------------------------|
  | as an isolated mechanism			| Em15			  |
  |-----------------------------------------------------------------------|
  | as a result of particle transport     	| Em5			  |
  -------------------------------------------------------------------------
  
  
  -------------------------------------------------------------------------
  |			More global verifications			  | 
  |-----------------------------------------------------------------------|
  | Single layer :				|			  |
  |  transmission, absoption, reflexion ... 	| Em5			  |
  |-----------------------------------------------------------------------|
  | Bragg curve, tallies      			| Em7			  |
  |-----------------------------------------------------------------------|
  | Depth dose distribution			| Em11 Em12		  |
  |-----------------------------------------------------------------------|
  | Shower shapes, Moliere radius      		| Em2			  |
  |-----------------------------------------------------------------------|
  | Sampling calorimeters, energy flow		| Em3			  |
  |-----------------------------------------------------------------------|
  | Crystal calorimeters     			| Em9			  |
  -------------------------------------------------------------------------
  
  
  -------------------------------------------------------------------------
  |			Other specialized programs			  | 
  |-----------------------------------------------------------------------|
  | High energy muon physics 			| Em17			  |
  |-----------------------------------------------------------------------|
  | Other rare, high energy processes      	| Em6			  |
  |-----------------------------------------------------------------------|
  | Synchrotron radiation			| Em16		  	  |
  |-----------------------------------------------------------------------|
  | Transition radiation     			| Em8			  |
  |-----------------------------------------------------------------------|
  | Photo-absorption-ionization model     	| Em10			  |
  -------------------------------------------------------------------------



   TestEm0 - how to print cross-sections and stopping power used in input by 
             the standard EM package
	      	  
   TestEm1 - how to count processes, activate/inactivate them and survey 
             the range of charged particles. How to define a maximum step size
	  
   TestEm2 - shower development in an homogeneous material : 
             longitudinal and lateral profiles
	  
   TestEm3 - shower development in a sampling calorimeter : collect energy 
             deposited, survey energy flow and print stopping power
	 
   TestEm4 - 9 MeV point like photon source: plot spectrum of energy 
             deposited in a single media
	  
   TestEm5 - how to study transmission, absorption and reflection of particles
             through a single, thin or thick, layer.
	     
   TestEm6 - physics list for rare, high energy, electromagnetic processes : 
             gamma conversion and e+ annihilation into pair of muons
	   
   TestEm7 - how to produce a Bragg curve in water phantom. 
             How to compute dose in tallies
	  
   TestEm8 - test of photo-absorption-ionisation model in thin absorbers, 
             and transition radiation
	  	  
   TestEm9 - shower development in a crystal calorimeter; cut-per-region
	  
   TestEm10 - XTR transition radiation model, investigation of ionisation 
              in thin absorbers     

   TestEm11 - how to plot a depth dose profile in a rectangular box      

   TestEm12 - how to plot a depth dose profile in spherical geometry : 
              point like source 
	  
   TestEm13 - how to compute cross sections of EM processes from rate of 
              transmission coefficient
	  
   TestEm14 - how to compute cross sections of EM processes from direct 
              evaluation of the mean-free path. How to plot final state
	  
   TestEm15 - compute and plot final state of Multiple Scattering as an 
              isolated process
	  
   TestEm16 - simulation of synchrotron radiation
	  	 	  	  	  
   TestEm17 - check the cross sections of high energy muon processes
	  	 	  	  	  
   TestEm18 - energy lost by a charged particle in a single layer,
              due to ionization and bremsstrahlung
